[错误] [cherryusb] [EHCI] 未刷新 SETUP 包缓存，导致 enumerate 失败

• LOG [I/USB] EHCI HCIVERSION:0x0095 [I/USB] EHCI HCSPARAMS:0x000012 [I/USB] EHCI HCCPARAMS:0x0000 [I/USB] EHCI ppc:1, n_ports:2, n_cc:0, n_pcc:0 [I/USB] EHCI uses tt for ls/fs device [D/usbh_hub] Port change:0x04 [D/usbh_hub] Port change:0x04 [D/usbh_hub] Port 2 change [D/usbh_hub] port 2, status:0x101, change:0x01 [D/usbh_hub] Port 2, status:0x101, change:0x00 [D/usbh_hub] Port 2, status:0x101, change:0x00 [D/usbh_hub] Port 2, status:0x101, change:0x00 [D/usbh_hub] Port 2, status:0x101, change:0x00 [D/usbh_hub] Port 2, status:0x101, change:0x00 [D/usbh_hub] Port 2, status:0x503, change:0x02 [I/usbh_hub] New high-speed device on Bus 0, Hub 1, Port 2 connected [D/usbh_core] Setup: bmRequestType 0x80, bRequest 0x06, wValue 0x0100, wIndex 0x0000, wLength 0x0008 [D/usbh_core] Device rev=0200 cls=09 sub=00 proto=02 size=64 [D/usbh_core] Setup: bmRequestType 0x00, bRequest 0x05, wValue 0x0002, wIndex 0x0000, wLength 0x0000 [W/usbh_core] Control transfer failed, errorcode -9, retrying… [W/usbh_core] Control transfer failed, errorcode -9, retrying… [E/usbh_core] Failed to set devaddr,errorcode:-9 [I/usbh_core] Device on Bus 0, Hub 1, Port 2 disconnected [E/usbh_hub] Port 2 enumerate fail

• CODE

  复制

  #if defined(CONFIG_USB_EHCI_DESC_DCACHE_ENABLE)
      // 刷新 SETUP 包缓存
      usb_dcache_flush((uintptr_t)urb->setup, 8);
  #endif

  复制

  
  int usbh_submit_urb(struct usbh_urb *urb)
  {
      struct ehci_qh_hw *qh = NULL;
      size_t flags;
      int ret = 0;
      struct usbh_hub *hub;
      struct usbh_hubport *hport;
      struct usbh_bus *bus;
  
      if (!urb || !urb->hport || !urb->ep || !urb->hport->bus) {
          return -USB_ERR_INVAL;
      }
  
  #ifdef CONFIG_USB_DCACHE_ENABLE
      USB_ASSERT_MSG(!((uintptr_t)urb->setup % CONFIG_USB_ALIGN_SIZE) &&
                         !((uintptr_t)urb->transfer_buffer % CONFIG_USB_ALIGN_SIZE),
                     "urb->setup or urb->transfer_buffer is not aligned %d", CONFIG_USB_ALIGN_SIZE);
  #endif
      bus = urb->hport->bus;
  
      /* find active hubport in roothub */
      hport = urb->hport;
      hub = urb->hport->parent;
      while (!hub->is_roothub) {
          hport = hub->parent;
          hub = hub->parent->parent;
      }
  
  #ifdef CONFIG_USB_EHCI_WITH_OHCI
      if (EHCI_HCOR->portsc[hport->port - 1] & EHCI_PORTSC_OWNER) {
          return ohci_submit_urb(urb);
      }
  #endif
  
      if (!urb->hport->connected || !(EHCI_HCOR->portsc[hport->port - 1] & EHCI_PORTSC_CCS)) {
          return -USB_ERR_NOTCONN;
      }

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